Ключевые слова: accuracy, alphabet, assistance, background, black, blur, blurred, care, chart, check, closeup, concept, conceptual, defocused, diagnostic, doctor, exam, examination, eye, eyeglass, eyesight, farsightedness, frame, glass, goggles, health, healthcare, lens, letter, looking, myopia, nobody, ophthalmologist, ophthalmology, optical, optometry, paper, read, rim, see, sheet, sight, sightedness, specs, table, test, text, vision, visual, white,